| Year |
Citation |
Score |
| 2017 |
Rauh O, Hansen UP, Mach S, Hartel AJW, Shepard KL, Thiel G, Schroeder I. Extended beta distributions open the access to fast gating in bilayer experiments: assigning the voltage-dependent gating to the selectivity filter. Febs Letters. PMID 29106736 DOI: 10.1002/1873-3468.12898 |
0.379 |
|
| 2014 |
DiFrancesco ML, Hansen UP, Thiel G, Moroni A, Schroeder I. Effect of cytosolic pH on inward currents reveals structural characteristics of the proton transport cycle in the influenza A protein M2 in cell-free membrane patches of Xenopus oocytes. Plos One. 9: e107406. PMID 25211283 DOI: 10.1371/Journal.Pone.0107406 |
0.356 |
|
| 2013 |
Schroeder I, Gazzarrini S, Ferrara G, Thiel G, Hansen UP, Moroni A. Creation of a reactive oxygen species-insensitive Kcv channel Biochemistry. 52: 3130-3137. PMID 23578303 DOI: 10.1021/Bi3016197 |
0.33 |
|
| 2013 |
Schroeder I, Thiel G, Hansen UP. Ca2+ block and flickering both contribute to the negative slope of the IV curve in BK channels Journal of General Physiology. 141: 499-505. PMID 23530139 DOI: 10.1085/Jgp.201210956 |
0.347 |
|
| 2012 |
Brauser A, Schroeder I, Gutsmann T, Cosentino C, Moroni A, Hansen UP, Winterhalter M. Modulation of enrofloxacin binding in OmpF by Mg2+ as revealed by the analysis of fast flickering single-porin current. The Journal of General Physiology. 140: 69-82. PMID 22689827 DOI: 10.1085/Jgp.201210776 |
0.316 |
|
| 2009 |
Schroeder I, Hansen UP. Using a five-state model for fitting amplitude histograms from MaxiK channels: beta-distributions reveal more than expected. European Biophysics Journal : Ebj. 38: 1101-14. PMID 19626320 DOI: 10.1007/S00249-009-0515-0 |
0.388 |
|
| 2009 |
Schroeder I, Hansen UP. Interference of shot noise of open-channel current with analysis of fast gating: patchers do not (Yet) have to care. The Journal of Membrane Biology. 229: 153-63. PMID 19551329 DOI: 10.1007/S00232-009-9183-3 |
0.304 |
|
| 2008 |
Huth T, Schmidtmayer J, Alzheimer C, Hansen UP. Four-mode gating model of fast inactivation of sodium channel Nav1.2a. PflüGers Archiv : European Journal of Physiology. 457: 103-19. PMID 18425532 DOI: 10.1007/S00424-008-0500-Y |
0.329 |
|
| 2008 |
Schroeder I, Hansen UP. Tl+-induced micros gating of current indicates instability of the MaxiK selectivity filter as caused by ion/pore interaction. The Journal of General Physiology. 131: 365-78. PMID 18378799 DOI: 10.1085/Jgp.200809956 |
0.403 |
|
| 2007 |
Schroeder I, Hansen UP. Saturation and microsecond gating of current indicate depletion-induced instability of the MaxiK selectivity filter. The Journal of General Physiology. 130: 83-97. PMID 17591987 DOI: 10.1085/Jgp.200709802 |
0.367 |
|
| 2006 |
Huth T, Schroeder I, Hansen UP. The power of two-dimensional dwell-time analysis for model discrimination, temporal resolution, multichannel analysis and level detection. The Journal of Membrane Biology. 214: 19-32. PMID 17557165 DOI: 10.1007/S00232-006-0074-6 |
0.315 |
|
| 2005 |
Marxen K, Vanselow KH, Lippemeier S, Hintze R, Ruser A, Hansen UP. A photobioreactor system for computer controlled cultivation of microalgae Journal of Applied Phycology. 17: 535-549. DOI: 10.1007/S10811-005-9004-8 |
0.327 |
|
| 2001 |
Keunecke M, Lindner B, Seydel U, Schulz A, Hansen UP. Bundle sheath cells of small veins in maize leaves are the location of uptake from the xylem. Journal of Experimental Botany. 52: 709-14. PMID 11413207 |
0.457 |
|
| 2000 |
Schinner K, Giannikos I, Hansen UP. Fluorescence clamp: A direct measure of fluxes into and out of the antenna pool of Photosystem II. Photosynthesis Research. 66: 109-23. PMID 16228414 DOI: 10.1023/A:1010660030547 |
0.333 |
|
| 2000 |
Farokhi A, Keunecke M, Hansen UP. The anomalous mole fraction effect in Chara: gating at the edge of temporal resolution. Biophysical Journal. 79: 3072-82. PMID 11106613 DOI: 10.1016/S0006-3495(00)76542-8 |
0.407 |
|
| 1998 |
Blunck R, Kirst U, Riessner T, Hansen U. How powerful is the dwell-time analysis of multichannel records? The Journal of Membrane Biology. 165: 19-35. PMID 9705979 DOI: 10.1007/S002329900417 |
0.583 |
|
| 1998 |
Bauer CS, Plieth C, Hansen UP, Simonis W, Schönknecht G. A steep Ca2+-dependence of a K + channel in a unicellular green alga Journal of Experimental Botany. 49: 1761-1765. DOI: 10.1093/Jxb/49.327.1761 |
0.356 |
|
| 1998 |
Plieth C, Sattelmacher B, Hansen UP. Light-induced cytosolic calcium transients in green plant cells. II. The effect on a K+ channel as studied by a kinetic analysis in Chara corallina Planta. 207: 52-59. DOI: 10.1007/S004250050454 |
0.409 |
|
| 1998 |
Plieth C, Sattelmacher B, Hansen UP. Light-induced cytosolic calcium transients in green plant cells. I. Methodological aspects of chlorotetracycline usage in algae and higher-plant cells Planta. 207: 42-51. DOI: 10.1007/S004250050453 |
0.343 |
|
| 1997 |
Hansen UP, Keunecke M, Blunck R. Gating and permeation models of plant channels. Journal of Experimental Botany. 48: 365-82. PMID 21245216 DOI: 10.1093/Jxb/48.Special_Issue.365 |
0.596 |
|
| 1996 |
Plieth C, Hansen UP. Methodological aspects of pressure loading of fura-2 into Characean cells Journal of Experimental Botany. 47: 1601-1612. DOI: 10.1093/Jxb/47.10.1601 |
0.316 |
|
| 1994 |
Plieth C, Tabrizi H, Hansen UP. Relationship between banding and photosynthetic activity in Chara corallina as studied by the spatially different induction curves of chlorophyll fluorescence observed by an image analysis system Physiologia Plantarum. 91: 205-211. DOI: 10.1111/J.1399-3054.1994.Tb00420.X |
0.324 |
|
| 1993 |
Hansen UP, Moldaenke C, Tabrizi H, Ramm D. The effect of transthylakoid proton uptake on cytosolic pH and the imbalance of ATP and NAPDH/H+ production as measured by CO2- and light-induced depolarisation of the plasmalemma Plant and Cell Physiology. 34: 681-695. DOI: 10.1093/Oxfordjournals.Pcp.A078471 |
0.353 |
|
| 1992 |
Plieth C, Hansen UP. Light dependence of protoplasmic streaming in Nitella flexilis L. as measured by means of laser-velocimetry. Planta. 188: 332-9. PMID 24178322 DOI: 10.1007/Bf00192799 |
0.365 |
|
| 1991 |
Hansen UP, Dau H, Brüning B, Fritsch T, Moldaenke C. Linear analysis applied to the comparative study of the I-D-P phase of chlorophyll fluorescence as induced by actinic PS-II light, PS-I light and changes in CO2-concentration. Photosynthesis Research. 28: 119-30. PMID 24414971 DOI: 10.1007/Bf00054125 |
0.321 |
|
| 1991 |
Draber S, Schultze R, Hansen UP. Patch-clamp studies on the anomalous mole fraction effect of the K+ channel in cytoplasmic droplets of Nitella: an attempt to distinguish between a multi-ion single-file pore and an enzyme kinetic model with lazy state. The Journal of Membrane Biology. 123: 183-90. PMID 1956073 DOI: 10.1007/Bf01998088 |
0.416 |
|
| 1991 |
Dau H, Windecker R, Hansen UP. Effect of light-induced changes in thylakoid voltage on chlorophyll fluorescence of Aegopodium podagraria leaves Bba - Bioenergetics. 1057: 337-345. DOI: 10.1016/S0005-2728(05)80145-8 |
0.354 |
|
| 1989 |
Dau H, Hansen UP. Studies on the adaptation of intact leaves to changing light intensities by a kinetic analysis of chlorophyll fluorescence and oxygen evolution as measured by the photoacoustic signal. Photosynthesis Research. 20: 59-83. PMID 24425464 DOI: 10.1007/Bf00028622 |
0.355 |
|
| 1989 |
Vanselow KH, Kolbowski J, Hansen UP. Analysis of chlorophyll fluorescence by means of noisy light Journal of Experimental Botany. 40: 247-256. DOI: 10.1093/Jxb/40.2.247 |
0.329 |
|
| 1989 |
Vanselow KH, Kolbowski J, Hansen UP. Further evidence for the relationship between light-induced changes of plasmalemma transport and transthylakoid proton uptake Journal of Experimental Botany. 40: 239-245. DOI: 10.1093/Jxb/40.2.239 |
0.39 |
|
| 1989 |
Vanselow KH, Hansen UP. Rapid effect of light on the K+ channel in the plasmalemma of Nitella The Journal of Membrane Biology. 110: 175-187. DOI: 10.1007/Bf01869472 |
0.427 |
|
| 1988 |
Vanselow KH, Dau H, Hansen UP. Indication of transthylakoid proton-fluxes in Aegopodium podagraria L. by light-induced changes of plasmalemma potential, chlorophyll fluorescence and light-scattering. Planta. 176: 351-61. PMID 24220863 DOI: 10.1007/Bf00395415 |
0.344 |
|
| 1988 |
Dau H, Hansen UP. The involvement of spillover changes in State 1-State 2 transitions in intact leaves at low light intensities Bba - Bioenergetics. 934: 156-159. DOI: 10.1016/0005-2728(88)90131-4 |
0.314 |
|
| 1988 |
Stein S, Hansen UP. Involvement of photosynthesis in the action of temperature on plasmalemma transport in Nitella The Journal of Membrane Biology. 103: 149-158. DOI: 10.1007/Bf01870945 |
0.39 |
|
| 1987 |
Hansen UP, Kolbowski J, Dau H. Relationship between photosynthesis and plasmalemma transport Journal of Experimental Botany. 38: 1965-1981. DOI: 10.1093/Jxb/38.12.1965 |
0.367 |
|
| 1987 |
Hansen UP, Fisahn J. I/V-Curve studies of the control of a K+ transporter in Nitella by temperature The Journal of Membrane Biology. 98: 1-13. DOI: 10.1007/Bf01871041 |
0.32 |
|
| 1986 |
Fisahn J, Hansen UP. The influence of temperature on a k+-channel and on a carrier-type transporter in Nitella Journal of Experimental Botany. 37: 440-460. DOI: 10.1093/Jxb/37.4.440 |
0.372 |
|
| 1986 |
Fisahn J, Mikschl E, Hansen UP. Separate oscillations of the electrogenic pump and of a K+ -channel in Nitella as revealed by simultaneous measurement of membrane potential and of resistance Journal of Experimental Botany. 37: 34-47. DOI: 10.1093/Jxb/37.1.34 |
0.353 |
|
| 1986 |
Fisahn J, Hansen UP, Gradmann D. Determination of charge, stoichiometry and reaction constants from I-V curve studies on a K+ transporter in Nitella The Journal of Membrane Biology. 94: 245-252. DOI: 10.1007/Bf01869720 |
0.352 |
|
| 1984 |
Sanders D, Hansen UP, Gradmann D, Slayman CL. Generalized kinetic analysis of ion-driven cotransport systems: a unified interpretation of selective ionic effects on Michaelis parameters. The Journal of Membrane Biology. 77: 123-52. PMID 6708088 DOI: 10.1007/Bf01925862 |
0.369 |
|
| 1983 |
Tittor J, Hansen UP, Gradmann D. Impedance of the electrogenic Cl(-) pump inAcetabularia: Electrical frequency entrainements, voltage-sensitivity, and reaction kinetic interpretation. The Journal of Membrane Biology. 75: 129-39. PMID 25691373 DOI: 10.1007/Bf01995633 |
0.335 |
|
| 1982 |
Gradmann D, Hansen UP, Sla Yman CL. Chapter 14 Reaction-Kinetic Analysis of Current-Voltage Relationships for Electrogenic Pumps in Neurospora and Acetabularia Current Topics in Membranes and Transport. 16: 257-276. DOI: 10.1016/S0070-2161(08)60704-2 |
0.349 |
|
| 1981 |
Hansen UP, Gradmann D, Sanders D, Slayman CL. Interpretation of current-voltage relationships for "active" ion transport systems: I. Steady-state reaction-kinetic analysis of class-I mechanisms. The Journal of Membrane Biology. 63: 165-90. PMID 7310856 DOI: 10.1007/Bf01870979 |
0.382 |
|
| 1981 |
Sanders D, Hansen UP, Slayman CL. Role of the plasma membrane proton pump in pH regulation in non-animal cells. Proceedings of the National Academy of Sciences of the United States of America. 78: 5903-7. PMID 6458045 DOI: 10.1073/Pnas.78.9.5903 |
0.349 |
|
| 1981 |
Sanders D, Hansen UP. Mechanism of Cl- transport at the plasma membrane of Chara corallina: II. Transinhibition and the determination of H+/Cl- binding order from a reaction kinetic model The Journal of Membrane Biology. 58: 139-153. DOI: 10.1007/Bf01870976 |
0.343 |
|
| 1979 |
Martens J, Hansen UP, Warncke J. Further evidence for the parallel pathway model of the metabolic control of the electrogenic pump in Nitella as obtained from the high frequency slope of the action of light The Journal of Membrane Biology. 48: 115-139. DOI: 10.1007/Bf01872855 |
0.349 |
|
| 1978 |
Gradmann D, Hansen UP, Long WS, Slayman CL, Warncke J. Current-voltage relationships for the plasma membrane and its principal electrogenic pump in Neurospora crassa: I. Steady-state conditions. The Journal of Membrane Biology. 39: 333-67. PMID 25343 DOI: 10.1007/Bf01869898 |
0.364 |
|
| 1978 |
Hansen UP. Do light-induced changes in the membrane potential of Nitella reflect the feed-back regulation of a cytoplasmic parameter? The Journal of Membrane Biology. 41: 197-224. DOI: 10.1007/Bf01870429 |
0.37 |
|
| 1973 |
Hansen UP, Warncke J, Keunecke P. Photoelectric effects in characean cells. I. The influence of light intensity. Biophysik. 9: 197-202. PMID 4790860 DOI: 10.1007/Bf01184685 |
0.321 |
|
| 1971 |
Hansen Up, Gradmann D. The action of sinusoidally modulated light on the membrane potential of acetabularia Plant and Cell Physiology. 12: 335-348. DOI: 10.1093/Oxfordjournals.Pcp.A074628 |
0.34 |
|
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